| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.83 | 2.90 | -0.07 |
| Feb | 2.35 | 2.42 | -0.07 |
| Mar | 3.17 | 3.30 | -0.13 |
| Apr | 4.20 | 4.35 | -0.15 |
| May | 4.58 | 4.68 | -0.10 |
| Jun | 5.00 | 5.03 | -0.03 |
| Jul | 4.21 | 4.19 | 0.02 |
| Aug | 3.40 | 3.24 | 0.16 |
| Sep | 3.32 | 3.38 | -0.06 |
| Oct | 3.17 | 3.19 | -0.02 |
| Nov | 3.42 | 3.44 | -0.02 |
| Dec | 2.82 | 2.91 | -0.09 |
42.47 | 43.03 | -0.56 |